#Question id: 7167
#Unit 5. Developmental Biology
The following
experiment is designed to study the role of several hormones in the regulation
of metamorphosis in frogs.
|
Group # |
Treatment |
Days
to Metamorphosis |
|
1 |
Saline |
30 |
|
2 |
Prolactin |
> 100 |
|
3 |
TSH |
15 |
|
4 |
Thyroxine |
10 |
|
5 |
Corticosterone |
30 |
|
6 |
Thyroxine
+ Corticosterone |
5 |
|
7 |
Prolactin + TSH |
30 |
|
8 |
Thyroid gland
removed |
> 100 |
These results suggest which of the following about prolactin (group 2 and group 7) at the dose tested?
#Question id: 32310
#Unit 2. Cellular Organization
#Question id: 10456
#Unit 6. System Physiology – Plant
Two identical subunits of UVR8 are linked in the dimer by a network of
#Question id: 3482
#Unit 11. Evolution and Behavior
Which statement below about mating behavior is correct?
A) Some aspects of courtship behavior may have evolved from agonistic interactions.
B) The degree to which evolution affects mating relationships depends on the degree of prenatal and postnatal input the parents are required to make.
C) The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair.
D) Polygamous relationships most often involve a single male and many females, but in some species this is reversed
#Question id: 34117
#Unit 2. Cellular Organization